<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    body {
      background-image: url('37db054d971467b5fd41f59a158fc79866d99100_raw.jpg');
    }

    .teitle1 {
      font-family: sans-serif;
      font-weight: 700;
      font-size: 64px;
      color: rgb(18, 104, 234);
      text-align: center;
    }

    .QR_code {
      font-family: sans-serif;
      font-weight: 700;
      font-size: 32px;
      color: rgb(0, 4, 9);
      text-align: left;
    }

    .box1 {
      width: 300px;
      height: 300px;
      background-image: url('1761903572331.png');
      background-size: cover;
      background-repeat: repeat;
    }

    .input-username,
    .input-password {
      margin-left: 1200px;
      margin-bottom: 20px;
      /* margin-top: 200px; */
      /* 距离网页顶端200px */
    }

    .input-username input,
    .input-password input {
      width: 250px;
      height: 35px;
      padding: 5px;
      font-size: 16px;
    }

    .submit-btn {
      margin-left: 1200px;
      margin-top: 20px;
    }

    .submit-btn button {
      width: 260px;
      height: 40px;
      background-color: #00aeec;
      color: white;
      border: none;
      font-size: 16px;
      cursor: pointer;
      border-radius: 4px;
    }

    .submit-btn button:hover {
      background-color: #0099cc;
    }
  </style>
</head>

<body>
  <h1 class='teitle1'>BiliBili用户登录界面</h1>
  <div class='input-username'>
    账号输入
    <input type="text" placeholder="请输入账号">
  </div>
  <div class='input-password'>
    密码输入
    <input type="password" placeholder="请输入密码">
  </div>
  <div class='submit-btn'>
    <button type="button">确定输入</button>
  </div>
  <h2 class='QR_code'>二维码登录</h2>
  <div class='box1'></div>

</body>

</html>